agonist
noun/ˈæɡənɪst/
Frequency rank: #15,230 most common English word
Meaning
A substance that binds to a receptor and activates it to produce a biological response.

Example sentence
The researcher explained that this drug acts as agonist at the receptor, triggering the same response as the natural hormone.
Synonyms & related words
Practice this word in the quiz
More words in ranks 15,201–15,300
- voluminousTaking up a large amount of space; very bulky or extensive in size or quantity.
- wonkynot straight or level; slightly broken or not working properly.
- abedIn bed; lying in bed.
- absolveto formally declare someone free from blame, guilt, or responsibility.
- adieua farewell; an expression said when parting from someone, often permanently.
- agroundStuck on the bottom of a shallow body of water; unable to float free.
- airfareThe price charged for a passenger to travel by airplane.
- alternatorA generator that produces alternating current, used in vehicles to charge the battery and power electrical systems.
- antiviraleffective against viruses; a drug or agent that destroys or suppresses the activity of viruses.
- baronetA hereditary title ranking below a baron but above a knight, abbreviated as 'Bt' or 'Bart'.